#ysDesc{
    float: left;
    width: 100%;
    height: 750px;
    position: relative;
    background-color: #fff;
}
#ysDesc .bg_navs{
    position:absolute;
    top:0;
    left:0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url('../01/bg_nav-03.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    
}
#ysDesc .bg_navs .content_nav{
    width: 59%;
    min-width: 780px;
    height: 530px;
    overflow: hidden;
}
#ysDesc .bg_navs .content_nav .swiper{
    height: 100%;
    width: 100%;
}
#ysDesc .bg_navs .btn_nav{
    /* width: 30px; */
    height: 530px;
    padding: 20px 0 0 40px;
    display: flex;
    flex-direction: column;
    user-select: none;
    align-items: center;
    justify-content: center;
}
#ysDesc .bg_navs .btn_nav .img{
    width: 17px;
    height: 17px;
}
#ysDesc .bg_navs .btn_nav .top{
    width: 25px;
    text-align: center;
    background: #424242;
    color: #fff;
    padding: 10px 3px;
    font-size: 13px;
    line-height: 14px;
    margin: 10px 0 0;
    transition: background-color 300ms ease 0s;
}
#ysDesc .bg_navs .btn_nav .top:hover{
    background:#fa586f;
}
#ysDesc .content_nav .item{
    width: 100%;
    height: 530px;
}
#ysDesc .content_nav .item .info{
    width: 55%;
    padding-top: 50px;
    float: left;
}
#ysDesc .content_nav .item .img{
    width:45%;
    float: right;
    height: 510px;
    box-shadow: -10px 10px 20px #ededed;
    position: relative;
    transform: translate3d(0px,0px,0px);
    transition: transform 0.5s linear 0s;
}
#ysDesc .content_nav .item .img img{
    height: 100%;
    width: 100%;
}
#ysDesc .info .title{
    color: #000;
}
#ysDesc .info .desc{
    margin: 20px 0 50px;
    width: 280px;
    color: #424242;
}
#ysDesc .info .label{
    float: left;
    width: 380px;
}
#ysDesc .info .label span{
    background: #f3f4f6;
    border-radius: 20px;
    font-size: 0.7vw;
    display: flex;
    color: #000;
    justify-content: center;
    align-items: center;
    float: left;
    user-select: none;
    width: 110px;
    height: 27px;
    margin:15px 12px 0 0;
    transition: all 0.3s linear 0s;
}
@media only screen and (max-width: 600px){
    #ysDesc{
        height: 300px;
    }   
    #ysDesc .bg_navs .content_nav{
        width: 320px;
        min-width: 320px;
        height: 240px;
    }
    #ysDesc .content_nav .item .info{
        padding-top: 10px;
    }
    #ysDesc .content_nav .item{
        height: 300px;
    }
    #ysDesc .info .title{
        font-size: 16px;
        line-height: 18px;
    }
    #ysDesc .info .desc{
        width: 95%;
        font-size: 12px;
        margin: 10px 0 20px;
    }
    #ysDesc .info .label{
        width: 100%;
    }
    #ysDesc .info .label span{
        font-size: 10px;
        width: 80px;
        margin:7px 3px 0 0;
    }
    #ysDesc .content_nav .item .img{
        height: 220px;
        box-shadow: -5px 5px 10px #ededed;
    }
    #ysDesc .bg_navs .btn_nav{
        height: 220px;
        padding: 0 0;
    }
    #ysDesc .bg_navs .btn_nav .top{
        font-size: 11px;
        width: 20px;
    }
}
